11th-century Christians

norse explorer (c. 970 – c. 1020)

Bezprym (Old [ˈbɛspʂɨm]; 986–1032) was the duke of Poland from 1031 until his death. He was the eldest son of the Polish king Bolesław the Brave, but was deprived of the succession by his father, who around 1001 sent him to Italy in order to become a monk at one of Saint Romuald's hermitages in Ravenna.

Firouz (sometimes referred to as Ruzbah) was a wealthy Armenian Christian convert to Islam and armor maker who held a high post in Yaghi-Siyan's Seljuk Turkish government during the Crusades. Notably, he also served as a spy for Bohemond during the Siege of Antioch. Bohemond had offered Firouz riches and safety guarantees in return for his assistance. Firouz was disgruntled with his position in Yaghi-Siyan's government, because he had been recently fined and his wife seduced by a senior Turkish officer. On June 3, 1098, Firouz, dissatisfied with his commanding officer, hung a rope ladder for B

Dytryk (Dietrich or Theoderic) (born after 992 - died after 1032) – Polish duke in 1032.

Italo-Norman duke of Amalfi